repositories = "Estudios Geológicos"

Encontrado 1,845 documentos, página mostrada 1 de 185

Meteoritos españoles del Museo Nacional de Ciencias Naturales

Description: Aims of this work are to collect relevant historical data on Spanish meteorites together with the recent data provided by novelties which are being generated from the important meteorite fall of Villalbeto (Palencia at 2004, January, 4th.). Here are also included new observations performed by ESEM (...
Language(s): Español

Estudio de la morfología geométrica dental del équido mioceno Anchitherium: implicaciones paleoecológicas

Description: The current work deals with the morphological analysis of the occlusal surface of the cheek teeth of several Anchitherium species from 8 Aragonian localities, most of them from the Madrid basin. This analysis is based in predefined land-marks on the occlusal surface of the teeth, located on the main...
Language(s): Español

Tafonomia del yacimiento de vertebrados pleistoceno de Huéscar-1 (Granada, españa)

Description: This work analyses the sedimentary and taphonomic processes that induced the selective preservation and spatial distribution of Húescar-1 bone assemblage (early Galerian). The bone fossil remains are associated with an alluvial fan system that flowed into a lacustrine area with calcareous sedimentat...
Language(s): Español

Assessing the Ediacaran Doushantuo Formation: Improving stratigraphic correlation of the Upper Doushantuo Black Shales via mercury content Evaluación de la Formación ediacárica de Doushantuo: mejora de la correlación estratigráfica de las pizarras negras de Doushantuo superior a partir del contenido en mercurio

Description: Mercury enrichments in the black shale unit of the Ediacaran Doushantuo Formation are, likely the result of volcanic input or anoxia-driven mercury deposition. If the Hg enrichments are volcanic in origin, or are due to synchronous regional anoxia, then the patterns of Hg enrichment are consistent w...
Language(s): Inglés

New Record of Ediacaran Biota from the Jodhpur Sandstone of Marwar Supergroup, western Rajasthan, India Nuevo registro de la biota ediacárica en la Arenisca de Jodhpur (Supergrupo de Marwar), Rajasthan occidental, India

Author(s): Parihar, V. S.
Description: In western Rajasthan, India, the Jodhpur Sandstone of the Marwar Supergroup has yielded a new Ediacaran fossil assemblage comprising macroscopic well-preserved specimens of Aspidella, Hiemalora, large Ediacaran discs, Tirasiana disciformis, Medusinites asteroides, Anfesta-like Ediacaran body fossils...
Language(s): Inglés

Aspidella: the Ediacaran body fossil from the Jodhpur Sandstone of the Marwar Supergroup, Sursagar area, Jodhpur, western Rajasthan, India Aspidella: un fósil de cuerpo blando ediacárico de la Arenisca de Jodhpur (Supergrupo de Marwar), área de Sursagar, Jodhpur, Rajasthan occidental, India

Description: This paper describes well-preserved Aspidella remains, the Ediacaran body fossils from the Jodhpur Sandstone of the Marwar Supergroup in Sursagar area, Jodhpur, western Rajasthan, India. They show distinct morphological features previously described in other famous Ediacaran fossil sites, such as th...
Language(s): Inglés

Revisiting the Sierra de la Zarzuela succession: the latest Ediacaran-?early Fortunian record from the Central Extremenian Great Anticlinory, Southern Central Iberian Zone, Iberian Massif, Spain Revisión de la sucesión de la Sierra de la Zarzuela: último registro del Ediacárico-¿Fortuniense inferior? del Gran Anticlinorio Extremeño central, Zona Centroibérica meridional, Macizo Ibérico, España

Description: In the southern Central Iberian Zone, unconformably lying on the Cadomian folded Lower Alcudian-Domo Extremeño Supergroup the most complete succession of late Ediacaran rocks crops out at the Sierra de la Zarzuela syncline. The purpose of this contribution is to study and redefine a regional lithost...
Language(s): Inglés

Chemostratigraphic and facies characterization of Ediacaran platform carbonates (Tamengo Formation, Corumbá Group): Preliminary results Caracterización quimioestratigráfica y facies carbonatadas de una plataforma ediacárica, Formación de Tamengo, Grupo de Corumbá: resultados preliminares

Description: This study presents updates and upgrades concerning the stable isotopic register of the Tamengo Formation, upper part of the Corumbá Group, which crops out in the meridional portion of the Paraguay Belt. This work includes detailed stratigraphic sections paired with high-resolution δ13C and δ18O geo...
Language(s): Inglés

Recent advances in understanding the terminal Ediacaran Earth-life system in South China and Arctic Siberia Avances recientes en la comprensión del sistema de vida terrestre del Ediacárico tardío en China meridional y el Ártico siberiano

Description: The terminal Ediacaran contains dramatic changes in biogeochemical cycles, many of which are closely coupled with evolutionary transitions in the corresponding fossil records. Dynamic redox conditions may have caused a profound impact on early animal evolution. Our work highlights the significance o...
Language(s): Inglés

Caracal depereti nov. Sp. Y felis aff. Silvestris (felidae, mammalia) del plioceno inferior de layna (Soria, España)

Description: Two species of small-medium size felids, Felis aff. silvestris and Caracal depereti nov. sp., have been identified from the Pliocene karstic locality of Layna (Soria, Spain). Caracal depereti nov. sp. shows close affinities with Caracal issiodorensis, species that has been traditionally classified i...
Language(s): Español

Encontrado 1,845 documentos, página mostrada 1 de 185

Uso de cookies: Este sitio web utiliza cookies propias y de terceros para dar un mejor servicio. Si continúa navegando se considera que acepta su uso. OKMás información